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The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term? PLEASE HELP!

 Mar 8, 2021
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From  fifth to 32 terms is  27 terms    or    27d

 

9 + 27d = -84

27d = -93

d = - 93/27

 

from   fifth  term  to  23rd     is 18 d

 

a23  = 9 + 18 (-93/27) = -53

 Mar 8, 2021

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